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Computerized three-dimensional demonstration method for special case type structures

A demonstration method, computer technology, applied in the direction of computing, special data processing applications, instruments, etc., to achieve the effect of saving production costs, implementing simplicity, and improving work efficiency

Inactive Publication Date: 2005-11-30
BEIJING FOUNDER ELECTRONICS CO LTD +1
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Problems solved by technology

[0005] For the defects existing in the prior art, the purpose of the present invention is to propose a computer three-dimensional demonstration method of a special box structure for the defects of the three-dimensional demonstration in the packaging CAD box structure design, which can solve the problem of the special box structure. The accuracy of the angle of the folding line during the 3D forming demonstration, so as to ensure the correct forming during the 3D demonstration

Method used

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  • Computerized three-dimensional demonstration method for special case type structures
  • Computerized three-dimensional demonstration method for special case type structures
  • Computerized three-dimensional demonstration method for special case type structures

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Embodiment Construction

[0021] The present invention will be further described below in conjunction with accompanying drawing and specific embodiment:

[0022] Such as Figure 7 As shown, a computer three-dimensional demonstration method of a special box structure includes the following steps:

[0023] (1) First, design the two-dimensional topological structure of the box in the professional packaging CAD software, such as figure 2 As shown, the solid line part is the cutting line, and the dotted line part is the folding line. Line segment MN is one of the folding lines, and its identifier is Crease1. The folding angle of each folding line is actually the angle between two planes adjacent to the folding line, so the calculation method of the angle between two planes will be briefly introduced below.

[0024] According to the theory of spatial analytic geometry, three points not on the same straight line determine a plane, and the angle between the normal vectors of the two planes is the angle bet...

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Abstract

This invention relates to a computer three-dimensional demonstration method with a special case type, which belongs to the graph design field of case type structure in casing CAD. This invention relates to a method for building a relationship between folding angle and packing case dimension, thereby it realize the parameterized folding angle. Using this method can resolve the veracity problem on folding line and folding angle when demonstrating three-dimensional molding of special case type structure, and it can ensure the correct molding, and this invention can combine the automatic computing on folding angle and the handwork adjustment together to get the real-time mutual effect.

Description

technical field [0001] The invention belongs to the graphic design field of a box-shaped structure in packaging CAD (computer-aided design), and in particular relates to a computer three-dimensional demonstration method of a special box-shaped structure. Background technique [0002] In the early days of the packaging and printing industry, there was no professional box structure design software, and people usually used general graphic design software for the structural design of packaging boxes, such as AutoCAD, Illustrator, Freehand and other graphic design software systems that are commonly used in the market. Due to the professionalism of packaging structure design, there are relatively complex geometric constraints in the plane structure of the packaging box. These software systems have great disadvantages. The general drawing tools cannot fully satisfy the drawing of the box structure. With the development of packaging computational aided design (CAD), professional box...

Claims

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Application Information

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IPC IPC(8): G06F17/50
Inventor 亓文法卢书一
Owner BEIJING FOUNDER ELECTRONICS CO LTD
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